San Francisco line

The iPhone 4, the fourth-generation of Apple's iconic smartphone, officially became available to consumers on Thursday. CNET has been checking out Apple stores and other venues to see how long the lines are, whether there are any issues with activation of the iPhone, and whatever else might pop up.

First up, we take you to Apple's downtown San Francisco store early Thursday morning, where the line stretched for blocks.

Editors' note: This slideshow was updated at 11:40 a.m. PDT with photos from Palo Alto, Calif., Manhattan, and Brooklyn.

June 24, 2010 8:53 AM PDT

Photo by: James Martin/CNET